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Arithmetic Progressions(A.P)

Arithmetic Progressions is a sequence of number thats arrange in specific order according to some rules. numbers occurring in a sequence are called its terms.

mainly terms of sequence denoted by a1,a2,a3,a4,...etc. where a1 is a first term of sequence ,a2 is a second term of sequence and an is nth term of sequence .

in arithmetic progression difference between 1st term and 2nd term are same as different between 2nd term and 3rd term or nth term and (n-1)th term. these different called as a common difference of arithmetic progressions.

For example
in this sequence
2 is 1st term
5 is 2nd term
and so on..
and common difference is 3
difference between two consecutive term are same